Control panel



2.1 is a front perspective view of a control panel;

2.2 is a top view thereof;

2.3 is a bottom view thereof;

2.4 is a left-side view thereof;

2.5 is a right-side view thereof;

2.6 is a rear view thereof; and

2.7 is a front view thereof.

Broken lines depict portions of the control panel that form no part of the claimed design. 

CLAIM The ornamental design for a control panel, as shown and described. 